WO2007089668A3 - Débruitage d'images par régions - Google Patents

Débruitage d'images par régions Download PDF

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Publication number
WO2007089668A3
WO2007089668A3 PCT/US2007/002321 US2007002321W WO2007089668A3 WO 2007089668 A3 WO2007089668 A3 WO 2007089668A3 US 2007002321 W US2007002321 W US 2007002321W WO 2007089668 A3 WO2007089668 A3 WO 2007089668A3
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WO
WIPO (PCT)
Prior art keywords
image
region
regions
sharpening
denoising
Prior art date
Application number
PCT/US2007/002321
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English (en)
Other versions
WO2007089668A2 (fr
Inventor
Richard S Szeliski
Sing Bing Kang
Ce Liu
Charles L Zitnick
Original Assignee
Microsoft Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Microsoft Corp filed Critical Microsoft Corp
Priority to CN200780003467XA priority Critical patent/CN101375588B/zh
Priority to KR1020087018429A priority patent/KR101330493B1/ko
Publication of WO2007089668A2 publication Critical patent/WO2007089668A2/fr
Publication of WO2007089668A3 publication Critical patent/WO2007089668A3/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/73—Deblurring; Sharpening
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20076—Probabilistic image processing

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)

Abstract

L'invention porte sur un débruiteur d'images utilisant un procédé probabiliste pour débruiter les images en couleur consistant: à segmenter une image entrante en régions; à estimer des statistiques dans chaque région; et à estimer une image propre (débruitée) en utilisant la modèle probabiliste de formation de l'image. Dans une exécution, le flou estimé entre chaque région sert à réduire la netteté artificielle des lisières de régions résultant du débruitage de l'image entrante. Dans d'autre exécutions, le flou estimé sert à d'autres fins, dont l'accroissement de la netteté des bords d'une ou plusieurs régions ou à rendre plus floues ou plus nettes une ou des régions spécifiques de l'image(par exemple un foyer sélectif) tour en maintenant le flou original entre les différentes régions.
PCT/US2007/002321 2006-01-27 2007-01-25 Débruitage d'images par régions WO2007089668A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN200780003467XA CN101375588B (zh) 2006-01-27 2007-01-25 用于基于区域的图像去噪的方法和数码相机
KR1020087018429A KR101330493B1 (ko) 2006-01-27 2007-01-25 이미지 잡음 제거 시스템, 디지털 카메라 및 컴퓨터판독가능 매체

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/340,969 2006-01-27
US11/340,969 US7587099B2 (en) 2006-01-27 2006-01-27 Region-based image denoising

Publications (2)

Publication Number Publication Date
WO2007089668A2 WO2007089668A2 (fr) 2007-08-09
WO2007089668A3 true WO2007089668A3 (fr) 2007-10-25

Family

ID=38322168

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/002321 WO2007089668A2 (fr) 2006-01-27 2007-01-25 Débruitage d'images par régions

Country Status (4)

Country Link
US (1) US7587099B2 (fr)
KR (1) KR101330493B1 (fr)
CN (1) CN101375588B (fr)
WO (1) WO2007089668A2 (fr)

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Also Published As

Publication number Publication date
CN101375588A (zh) 2009-02-25
CN101375588B (zh) 2011-07-06
US7587099B2 (en) 2009-09-08
KR101330493B1 (ko) 2013-11-15
US20070177817A1 (en) 2007-08-02
KR20080093110A (ko) 2008-10-20
WO2007089668A2 (fr) 2007-08-09

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